Section 1
Chapter 434

Mode of action of Bacillus thuringiensis Berliner in Pericallia ricini and Euproctis fraterna

Kumar, S.; Jayaraj, S.

Indian Journal of Experimental Biology 16(1): 128-131


ISSN/ISBN: 0019-5189
Accession: 000433541

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Bacillus thuringiensis was found to be effective in controlling the first 5 larval instars in Pericallia ricini (F.) and Euproctis fraterna (Moore) in the laboratory. Three doses of the commercial preparation Biotrol XK (1, 2 and 3 kg/ha in 100 litres of water) proved to be equally effective. Increased pH of the haemolymph and decreased pH of the mid-gut were observed in treated insects.

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